<template>
    <div class="wrapper">

        <!-- header部分 -->
        <header>
            <p>商家列表</p>
        </header>
        <!-- 商家列表部分 -->

        <ul class="business">
            <li v-for="item in businessArr" @click="toBusinessInfo(item.businessId)">
                <div class="business-img">
                    <img :src="item.businessImg">
                    <div class="business-img-quantity" v-show="item.quantity>0">
                        {{item.quantity}}</div>
                </div>
                <div class="business-info">
                    <h3>{{item.businessName}}</h3>
                    <p>&#165;{{item.starPrice}}起送 | &#165;{{item.deliveryPrice}}配送</p>
                    <p>{{item.businessExplain}}</p>
                </div>
            </li>
        </ul>
		<!--底部留白部分-->
		<div class="blank">
		
		</div>
        <!-- 底部菜单部分 -->
        <Footer></Footer>
    </div>
</template>

<script>
import Footer from '../components/Footer.vue';
export default {
    name: 'BusinessList',
    data() {
        return {
            orderTypeId: this.$route.query.orderTypeId,
            businessArr: [],
            user: {}
        }
    },
    created() {
        this.user = this.$getSessionStorage('user');
        
        this.$axios.post('BusinessController/listBusinessByOrderTypeId', this.$qs.stringify({
            orderTypeId: this.orderTypeId
        })).then(response => {
            this.businessArr = response.data;
            
            if (this.user != null) {
                this.listCart();
            }
        }).catch(error => {
            console.error(error);
        });
    },
	
    components: {
        Footer
    },
    methods: {
        listCart() {
            this.$axios.post('CartController/listCart', this.$qs.stringify({
                userId: this.user.userId
            })).then(response => {
                let cartArr = response.data;
                for (let businessItem of this.businessArr) {
                    businessItem.quantity = 0;
                    for (let cartItem of cartArr) {
                        if (cartItem.businessId == businessItem.businessId) {
                            businessItem.quantity += cartItem.quantity;
                        }
                    }
                }
                this.businessArr.sort();
            }).catch(error => {
                console.error(error);
            });
        },
        toBusinessInfo(businessId) {
            this.$router.push({ path: '/businessInfo', query: { businessId: businessId } });
        }
    }
}

</script>
<style scoped>
    /****************** 总容器 ******************/
    .wrapper {
        width: 100%;
        height: 100%;
    }

    /****************** header部分 ******************/
    .wrapper header {
        width: 100%;
        height: 12vw;
        background-color: #0097FF;
        color: #fff;
        font-size: 4.8vw;
        position: fixed;
        left: 0;
        top: 0;
        z-index: 1000;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    /****************** 商家列表部分 ******************/
    .wrapper .business {
        width: 100%;
        margin-top: 12vw;
        
    }

    .wrapper .business li {
        width: 100%;
        box-sizing: border-box;
        padding: 2.5vw;
        border-bottom: solid 1px #DDD;
        user-select: none;
        cursor: pointer;
        display: flex;
        align-items: center;
    }

    .wrapper .business li .business-img {
        position: relative;
    }

    .wrapper .business li .business-img img {
        width: 20vw;
        height: 20vw;
    }

    .wrapper .business li .business-img .business-img-quantity {
        width: 5vw;
        height: 5vw;
        background-color: red;
        color: #fff;
        font-size: 3.6vw;
        border-radius: 2.5vw;
        display: flex;
        justify-content: center;
        align-items: center;
        position: absolute;
        right: -1.5vw;
        top: -1.5vw;
    }

    .wrapper .business li .business-info {
        margin-left: 3vw;
    }

    .wrapper .business li .business-info h3 {
        font-size: 3.8vw;
        color: #555;
    }

    .wrapper .business li .business-info p {
        font-size: 3vw;
        color: #888;
        margin-top: 2vw;
    }
	/****************** 底部留白部分 ******************/
	.wrapper .blank {
		width: 100%;
		height: 14vw;
		background-color: #FFFFFF;
	}
</style>